Tetreault Pond is an earth dam located in Windham County, Connecticut, built in 1900. It carries a Significant hazard potential classification.

About Tetreault Pond

The primary purpose of Tetreault Pond is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Connecticut Deep (state). It impounds the Snake Meadow Brook near Killingly.

The dam stands 9 feet tall and stretches 130 feet across, creates a reservoir covering 40 acres, has a storage capacity of 81 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1900, the structure is over a century old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 07/28/1986. That was over 39 years ago.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
Significant HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateConnecticut
CountyWindham
Nearest CityKillingly
River/StreamSnake Meadow Brook
Coordinates41.79383, -71.84430

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Height9 ft
Dam Length130 ft
Year Completed1900 (126 years old)

Storage & Hydraulics

NID Storage81 acre-ft
Normal Storage81 acre-ft
Surface Area40 acres
Drainage Area1 sq mi
Max Discharge120 cfs

Ownership & Safety

PurposeRecreation
OwnerConnecticut DEEP
Owner TypeState
Hazard ClassificationSignificant
Condition AssessmentNot Rated
Last Inspection07/28/1986
Emergency Action PlanYes

Identifiers

NID IDCT00178
Federal IDCT00178
More InfoState Dam Safety Program